package com.eam.dao.impl;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;

import com.eam.bean.User;
import com.eam.dao.UserDAO;

/**
 * A data access object (DAO) providing persistence and search support for User
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see com.eam.dao.User
 * @author MyEclipse Persistence Tools
 */

public class UserDAOImpl extends UserDAO {
	private static final Log log = LogFactory.getLog(UserDAOImpl.class);
	// property constants
	public static final String NAME = "name";
	public static final String PASSWORD = "password";
	public static final String REAL_NAME = "realName";
	public static final String IMAGE = "image";
	public static final String SEX = "sex";
	public static final String TELEPHONE = "telephone";
	public static final String EMAIL = "email";
	public static final String AREA = "area";
	public static final String ADDRESS = "address";
	public static final String POSITION_ID = "positionId";
	public static final String SALARY = "salary";
	public static final String DEPARTMENT_ID = "departmentId";
	public static final String LEADER = "leader";
	public static final String SPEC = "spec";

	protected void initDao() {
		// do nothing
	}

	public void save(User transientInstance) {
		log.debug("saving User instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(User persistentInstance) {
		log.debug("deleting User instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public User findById(java.lang.Integer id) {
		log.debug("getting User instance with id: " + id);
		try {
			User instance = (User) getHibernateTemplate().get(
					"com.eam.dao.User", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(User instance) {
		log.debug("finding User instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding User instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from User as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByPassword(Object password) {
		return findByProperty(PASSWORD, password);
	}

	public List findByRealName(Object realName) {
		return findByProperty(REAL_NAME, realName);
	}

	public List findByImage(Object image) {
		return findByProperty(IMAGE, image);
	}

	public List findBySex(Object sex) {
		return findByProperty(SEX, sex);
	}

	public List findByTelephone(Object telephone) {
		return findByProperty(TELEPHONE, telephone);
	}

	public List findByEmail(Object email) {
		return findByProperty(EMAIL, email);
	}

	public List findByArea(Object area) {
		return findByProperty(AREA, area);
	}

	public List findByAddress(Object address) {
		return findByProperty(ADDRESS, address);
	}

	public List findByPositionId(Object positionId) {
		return findByProperty(POSITION_ID, positionId);
	}

	public List findBySalary(Object salary) {
		return findByProperty(SALARY, salary);
	}

	public List findByDepartmentId(Object departmentId) {
		return findByProperty(DEPARTMENT_ID, departmentId);
	}

	public List findByLeader(Object leader) {
		return findByProperty(LEADER, leader);
	}

	public List findBySpec(Object spec) {
		return findByProperty(SPEC, spec);
	}

	public List findAll() {
		log.debug("finding all User instances");
		try {
			String queryString = "from User";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public User merge(User detachedInstance) {
		log.debug("merging User instance");
		try {
			User result = (User) getHibernateTemplate().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(User instance) {
		log.debug("attaching dirty User instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(User instance) {
		log.debug("attaching clean User instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static UserDAOImpl getFromApplicationContext(ApplicationContext ctx) {
		return (UserDAOImpl) ctx.getBean("UserDAO");
	}
}